Quote:
Originally Posted by TJ's Chevy
If I am not mistaken, the 230 and 250 used a single or double groove pulley and the 292 came with a double. The triple groove pulley was used in the larger rigs for driving the air compressor. Due to torsional vibration the 292 used a larger double groove balancer as to that of the 230 and 250.  |
OK. If you say so. I never messed with the smaller displacement L6s. I've used both the 3- and 2-groove HBs on my 292s. I only really need 1 groove for the alternator. My point was the 292 needs a bigger HB. Santucci mentions the 3-groove by part number.